May 14, 2013http://www.nbclosangeles.com/investigations/series/auto-shop-investigation/Back-Under-the-Hood-NBC4-Auto-Shop-Investigation_Los-Angeles.htmlBack Under the Hood: NBC4 Auto Shop InvestigationA four-month undercover investigation reveals what insiders say are new tricks and tactics used to cheat unsuspecting customers at the nation’s largest truck repair chain. Joel Grover reports for the NBC4 News on Monday, May 13, 2013.1Share

Back Under the Hood: NBC4 Auto Shop Investigation

A four-month undercover investigation reveals what insiders say are new tricks and tactics used to cheat unsuspecting customers at the nation’s largest truck repair chain. Joel Grover reports for the NBC4 News on Monday, May 13, 2013.

May 14, 2013http://www.nbclosangeles.com/investigations/series/auto-shop-investigation/207401041.htmlABOUT THE INVESTIGATIONA four-month undercover investigation reveals what insiders say are new tricks and tactics used to cheat unsuspecting customers at the nation’s largest truck repair chain. Joel Grover reports for the NBC4 News on Monday, May...2Share

A four-month undercover investigation reveals what insiders say are new tricks and tactics used to cheat unsuspecting customers at the nation’s largest truck repair chain. Joel Grover reports for the NBC4 News on Monday, May...

A behind-the-scenes look at NBC4's investigation into one of the nation's biggest auto repair chains, which aired in May 2013. Joel Grover explains in this web exclusive.

May 14, 2013http://www.nbclosangeles.com/investigations/series/auto-shop-investigation/207376691.htmlSHOPS MAPA behind-the-scenes look at NBC4's investigation into one of the nation's biggest auto repair chains, which aired in May 2013. Joel Grover explains in this web exclusive.7Share

A behind-the-scenes look at NBC4's investigation into one of the nation's biggest auto repair chains, which aired in May 2013. Joel Grover explains in this web exclusive.

May 14, 2013http://www.nbclosangeles.com/investigations/series/auto-shop-investigation/207378141.htmlVIDEOA behind-the-scenes look at NBC4's investigation into one of the nation's biggest auto repair chains, which aired in May 2013. Joel Grover explains in this web exclusive.8Share

A behind-the-scenes look at NBC4's investigation into one of the nation's biggest auto repair chains, which aired in May 2013. Joel Grover explains in this web exclusive.

May 14, 2013http://www.nbclosangeles.com/investigations/series/auto-shop-investigation/207377631.htmlLATEST TWEETSA behind-the-scenes look at NBC4's investigation into one of the nation's biggest auto repair chains, which aired in May 2013. Joel Grover explains in this web exclusive.9Share